Home / 1,342,172.64-1,852,274.88-769,308.24

Finding the Fourth Proportional to 1,342,172.64, 1,852,274.88 and 769,308.24

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Solution

The fourth proportional to 1,342,172.64, 1,852,274.88 and 769,308.24 is: 1,061,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,172.64 : 1,852,274.88 = 769,308.24 : x
  2. Step 2: Convert to fraction form
    1,342,172.64/1,852,274.88 = 769,308.24/x
  3. Step 3: Cross multiply
    1,342,172.64x = 1,852,274.88 × 769,308.24
  4. Step 4: Simplify right side
    1,342,172.64x = 1,424,970,327,929.01
  5. Step 5: Solve for x
    x = 1,424,970,327,929.01/1,342,172.64
  6. Step 6: Final answer
    x = 1,061,689.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.